Electrical jack



FIG. 1 is a perspective view of an electrical jack showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electrical jack, as shown or described. 